:root{font:16px/1.6 system-ui,-apple-system,'Noto Sans JP',sans-serif;color:#172d2d;background:#f4f7f3;--ink:#101c2d;--green:#244d39;--muted:#64736c;--line:#dfe7dc;--lime:#b9e685}*{box-sizing:border-box}body{margin:0}[hidden]{display:none!important}button,textarea,input{font:inherit}button,a,label{touch-action:manipulation}button{cursor:pointer}button:disabled{opacity:.45;cursor:default}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,summary:focus-visible,label:focus-visible{outline:3px solid #6a9c58;outline-offset:3px}h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.4}h1{font-size:clamp(1.8rem,3.2vw,2.6rem);letter-spacing:-.04em;margin-bottom:10px}h2{font-size:1.2rem}p{margin-bottom:16px}.site-header{background:#fff;border-bottom:1px solid var(--line)}.header-inner{max-width:1440px;margin:auto;padding:18px 32px;display:flex;gap:40px;align-items:center}.logo{font-size:1.7rem;font-weight:850;letter-spacing:-.075em;color:var(--ink)}.logo span{color:#57834b}nav{display:flex;gap:6px}nav a{padding:9px 16px;color:var(--muted);font-size:.94rem;border-radius:9px}nav a[aria-current=page]{color:var(--green);background:#eaf1e4;font-weight:700}.account{margin-left:auto;display:flex;gap:8px;flex-wrap:wrap}.button{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:10px;padding:11px 17px;font-weight:650;line-height:1.5;font-size:.9rem;cursor:pointer}.primary{color:white;background:var(--green)}.primary:hover{background:#356548}.subtle{color:var(--green);background:#eef3ea}.lime{background:var(--lime);color:var(--ink);font-size:1rem;padding:16px 22px}.status-wrap{max-width:1440px;margin:auto;padding:0 32px}#cloudStatus{margin:0;font-size:.88rem;color:#356848}#cloudStatus:not(:empty){padding:12px 0}#cloudStatus.error{color:#a04435}.hero-wrap{background:var(--ink);color:#fff}.hero{max-width:1120px;margin:auto;display:grid;grid-template-columns:1fr 1fr;gap:65px;align-items:center;padding:88px 24px 100px}.eyebrow{font-size:.8rem;font-weight:750;letter-spacing:.12em;color:#507343;margin-bottom:12px}.hero .eyebrow{color:var(--lime)}.hero h1{font-size:clamp(3rem,6vw,5.1rem);line-height:1.23;letter-spacing:-.055em;margin-bottom:28px}.hero-copy{color:#c4d3d0;font-size:1.05rem;line-height:2;margin-bottom:30px}.local-start{display:block;color:#d7e4cf;font-size:.9rem;margin-top:20px;text-decoration:underline;text-underline-offset:4px}.hero-note{font-size:.8rem;color:#acbdac;margin-top:15px}.hero-art{background:#1b2b3c;border:1px solid #3b4f58;padding:28px;border-radius:24px;box-shadow:20px 24px 0 #162434;transform:rotate(2deg)}.art-top{display:flex;justify-content:space-between;gap:12px;font-weight:700;margin-bottom:25px}.art-top small{font-size:.7rem;color:#a6bba9;align-self:center}.art-grid{display:grid;grid-template-columns:repeat(13,1fr);gap:7px}.art-grid span{aspect-ratio:1;border-radius:4px;background:#324550}.art-grid span:nth-child(4n){background:#759d79}.art-grid span:nth-child(5n){background:var(--lime)}.art-grid span:nth-child(7n){background:#416c66}.art-foot{border-top:1px solid #384b53;color:#b7c8bb;margin-top:25px;padding-top:17px;font-size:.85rem}.intro{max-width:1120px;margin:auto;padding:74px 24px}.intro h2{font-size:2rem}.intro p{color:var(--muted);line-height:1.9}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:38px}.steps article{border-top:2px solid #bad58f;padding-top:16px}.steps b{color:#4b7246}.steps h3{font-size:1.05rem;margin:10px 0}.steps p{font-size:.9rem}.workspace{max-width:1440px;margin:auto;padding:16px 32px 64px}.storage-bar{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:30px;font-size:.82rem;color:var(--muted)}.data-menu{position:relative}.data-menu summary{cursor:pointer}.data-menu>div{position:absolute;right:0;top:30px;background:#fff;border:1px solid var(--line);box-shadow:0 6px 25px #142c2520;border-radius:12px;padding:10px;min-width:190px;z-index:3;display:grid;gap:8px}.migration{background:#fff7dd;border-radius:12px;padding:14px;display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:25px;font-size:.9rem}.page-heading{display:flex;justify-content:space-between;align-items:center;gap:24px;margin-bottom:28px}.muted{color:var(--muted);font-size:.92rem}.record-page{max-width:1060px;margin:0 auto}.today-score{border-left:1px solid #cddbc8;padding-left:30px;min-width:140px}.today-score strong{font-size:2.5rem;line-height:1.3;display:block}.today-score span{font-size:.85rem;color:var(--muted)}.record-layout{display:grid;grid-template-columns:1.2fr 1fr;gap:24px;align-items:start}.panel{background:white;border:1px solid var(--line);border-radius:20px;padding:28px;min-width:0}.compose label{font-weight:700;display:block;margin-bottom:18px}.compose textarea{display:block;width:100%;border:1px solid #d5dfcf;border-radius:12px;background:#fcfdfa;min-height:300px;resize:vertical;padding:18px;line-height:1.85;outline-color:#719f5e}.editor-bottom{display:flex;justify-content:space-between;align-items:center;margin-top:16px;color:var(--muted);font-size:.88rem}.hint{font-size:.8rem;color:var(--muted);margin:20px 0 0}.section-heading{display:flex;justify-content:space-between;align-items:baseline;gap:14px}.section-heading span{font-size:.85rem;color:var(--muted)}.entry{padding:18px 0;border-top:1px solid #e7ece4;overflow-wrap:anywhere}.entry-head{display:flex;align-items:center;justify-content:space-between;font-size:.8rem;color:var(--muted);margin-bottom:9px}.entry-head button{font-size:.8rem;color:#6c766d;background:none;border:0;padding:4px 7px;text-decoration:underline}.entry-body{white-space:pre-wrap;line-height:1.85;font-size:1rem}.empty{font-size:.92rem;color:#738170;padding:25px 0;line-height:1.9}.text-link{display:inline-block;margin-top:24px;color:var(--green);font-size:.87rem}.view-switch{display:flex;border:1px solid #ccdac4;border-radius:12px;padding:4px;background:#e9efe4;flex-shrink:0}.view-switch button{border:0;background:none;padding:10px 20px;border-radius:8px;color:var(--green);font-size:.9rem}.view-switch button[aria-pressed=true]{background:white;font-weight:750;box-shadow:0 2px 6px #192f2510}.stats{display:flex;gap:40px;margin-bottom:28px}.stats>div{display:flex;flex-direction:column}.stats strong{font-size:1.6rem}.stats span{font-size:.82rem;color:var(--muted)}.review-layout{display:grid;grid-template-columns:minmax(0,1.9fr) minmax(270px,1fr);gap:24px;align-items:start}.review-layout.year{grid-template-columns:1fr}.calendar-toolbar,.period-controls{display:flex;align-items:center;gap:15px}.calendar-toolbar{justify-content:space-between;margin-bottom:26px}.period-controls h2{margin:0;min-width:130px;text-align:center}.period-controls .button{font-size:1.4rem;padding:2px 12px}.calendar-grid{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:9px}.weekday{text-align:center;font-size:.85rem;color:var(--muted);padding-bottom:7px}.day{background:#eef2eb;border:0;min-width:0;min-height:76px;aspect-ratio:1.1;border-radius:10px;color:#354b3b;display:flex;flex-direction:column;align-items:flex-start;justify-content:space-between;padding:10px;font-size:1rem;position:relative}.day small{font-size:.72rem;line-height:1.2}.day.today:after{content:'';position:absolute;inset:3px;border:1px solid #174a30;border-radius:7px;pointer-events:none}.day.selected{outline:2px solid #172f29;outline-offset:2px}.day:not(:disabled):hover{filter:brightness(.94)}.day:disabled{opacity:.3}.blank{visibility:hidden}.legend{display:flex;align-items:center;gap:6px;flex-wrap:wrap;font-size:.76rem;color:var(--muted);margin-top:24px}.legend i{width:14px;height:14px;border-radius:3px;background:#eef2eb}.legend small{font-size:.74rem;margin-left:10px}.year-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:34px 26px}.mini-month h3{font-size:1rem;margin:0 0 12px}.mini-month .calendar-grid{gap:5px}.mini-month .weekday{font-size:.75rem;padding-bottom:2px}.mini-month .day{min-height:32px;aspect-ratio:1.1;align-items:center;justify-content:center;padding:2px;font-size:.78rem;border-radius:6px}.mini-month .day.today:after{border-radius:4px}.day-detail{scroll-margin-top:20px}.day-detail h2{font-size:1.4rem;margin-bottom:6px}.year .day-detail{max-width:100%}.year #reviewEntries{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:36px}.day-detail .eyebrow{font-size:.72rem}footer{padding:28px;text-align:center;color:#7b887c;border-top:1px solid var(--line);font-size:.82rem}body[data-page=home] .site-header{background:var(--ink);border-color:#263446}body[data-page=home] .logo{color:white}body[data-page=home] .logo span{color:var(--lime)}body[data-page=home] nav a{color:#c4d3d0}body[data-page=home] nav a[aria-current=page]{color:var(--ink);background:var(--lime)}@media(min-width:1500px){.year-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}@media(max-width:1050px){.header-inner{gap:20px}.year-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.review-layout{grid-template-columns:1fr}.record-layout{gap:18px}.panel{padding:22px}.day{min-height:68px;aspect-ratio:1.6}}@media(max-width:767px){.header-inner{padding:14px 16px;gap:12px;flex-wrap:wrap}.logo{font-size:1.55rem}.account{gap:4px}.account .button{font-size:.76rem;padding:8px 10px}nav{order:3;width:100%;display:grid;grid-template-columns:repeat(3,1fr)}nav a{text-align:center;padding:9px}.status-wrap{padding:0 16px}.hero{grid-template-columns:1fr;padding:55px 24px 65px;gap:42px}.hero-art{transform:none}.hero h1{font-size:3.3rem}.hero-copy{font-size:.95rem}.intro{padding:50px 24px}.intro h2{font-size:1.6rem}.steps{grid-template-columns:1fr;gap:18px}.steps p br{display:none}.workspace{padding:12px 16px 45px}.storage-bar{font-size:.74rem;gap:12px;margin-bottom:25px;align-items:flex-start}.record-layout{grid-template-columns:1fr}.page-heading{align-items:flex-start;gap:12px;margin-bottom:22px}h1{font-size:1.7rem}.today-score{min-width:80px;padding-left:14px}.today-score strong{font-size:1.9rem}.today-score span{font-size:.7rem}.panel{padding:20px;border-radius:16px}.compose textarea{min-height:220px;padding:14px}.view-switch{display:none}.stats{gap:25px}.stats strong{font-size:1.3rem}.stats span{font-size:.74rem}.calendar-panel{padding:14px}.calendar-toolbar{gap:8px;margin-bottom:22px}.period-controls{gap:8px}.period-controls h2{font-size:1rem;min-width:110px}.calendar-toolbar>.button{font-size:.78rem;padding:7px 10px}.calendar-grid{gap:6px}.day{min-height:45px;aspect-ratio:.85;padding:6px;font-size:.87rem;border-radius:7px}.day small{font-size:.62rem}.weekday{font-size:.76rem}.legend{gap:5px}.legend small{margin-left:0;width:100%}.migration{flex-direction:column;align-items:flex-start}.year #reviewEntries{grid-template-columns:1fr}}@media(prefers-reduced-motion:no-preference){.button,.day{transition:background .15s,filter .15s}}
@media(max-width:767px){.day small{display:none}}

/* Shared, fixed intensity scale for calendars, cards and legends. */
[data-level="0"]{--intensity-bg:#f0f3ed;--intensity-fg:#122916;}
[data-level="1"]{--intensity-bg:#edf4e4;--intensity-fg:#122916;}
[data-level="2"]{--intensity-bg:#e0efcf;--intensity-fg:#122916;}
[data-level="3"]{--intensity-bg:#cee6b5;--intensity-fg:#122916;}
[data-level="4"]{--intensity-bg:#b9da98;--intensity-fg:#122916;}
[data-level="5"]{--intensity-bg:#9bc77c;--intensity-fg:#122916;}
[data-level="6"]{--intensity-bg:#7daf66;--intensity-fg:#122916;}
[data-level="7"]{--intensity-bg:#69975b;--intensity-fg:#122916;}
[data-level="8"]{--intensity-bg:#466f40;--intensity-fg:#ffffff;}
[data-level="9"]{--intensity-bg:#305736;--intensity-fg:#ffffff;}
[data-level="10"]{--intensity-bg:#1c402b;--intensity-fg:#ffffff;}

.day,.legend i,.color-swatch,.stat-card{background:var(--intensity-bg,#f0f3ed);color:var(--intensity-fg,#122916)}
.day.today:after{border-color:currentColor}
.stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-bottom:14px}
.stats>.stat-card{display:flex;flex-direction:column;gap:12px;padding:23px 25px;border:1px solid #244d3940;border-radius:18px;box-shadow:0 3px 10px #18352206;min-width:0}
.stats .stat-label{color:inherit;font-size:.9rem;font-weight:650}
.stats strong{font-size:clamp(1.6rem,2.6vw,2.3rem);letter-spacing:-.035em;line-height:1.25;overflow-wrap:anywhere}
.stats small{font-size:.78rem;color:inherit;line-height:1.5}
.color-guide{margin-bottom:30px;color:#53664f;font-size:.85rem}
.color-guide summary{cursor:pointer;display:list-item;padding:8px 0}
.color-guide>p{margin:10px 0 18px}
.color-scales{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;padding:20px;background:#fff;border:1px solid var(--line);border-radius:14px}
.color-scales h3{font-size:.86rem;margin-bottom:12px}.color-scales ul{list-style:none;padding:0;margin:0;display:grid;gap:7px}.color-scales li{display:flex;align-items:center;gap:9px;font-size:.8rem}.color-swatch{width:18px;height:18px;border-radius:4px;border:1px solid #244d391f;flex-shrink:0}
@media(max-width:1050px){.color-scales{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:767px){.stats{gap:8px}.stats>.stat-card{padding:14px 11px;border-radius:12px;gap:10px}.stats strong{font-size:1.3rem}.stats .stat-label{font-size:.75rem}.stats small{font-size:.75rem}.color-guide{margin-bottom:22px}.legend i{width:12px;height:12px}.color-scales{padding:14px;gap:20px 12px}}
@media(max-width:360px){.stats{grid-template-columns:1fr}.stats>.stat-card{display:grid;grid-template-columns:1fr auto;gap:6px 14px}.stats small{grid-column:1/-1}}

/* Daily activity: 20 distinct shades; summary cards retain 10 steps. */
[data-scale="daily"][data-level="1"]{--intensity-bg:#edf4e4;--intensity-fg:#122916;}
[data-scale="daily"][data-level="2"]{--intensity-bg:#e7f2da;--intensity-fg:#122916;}
[data-scale="daily"][data-level="3"]{--intensity-bg:#e1efd0;--intensity-fg:#122916;}
[data-scale="daily"][data-level="4"]{--intensity-bg:#d8ebc4;--intensity-fg:#122916;}
[data-scale="daily"][data-level="5"]{--intensity-bg:#d0e7b8;--intensity-fg:#122916;}
[data-scale="daily"][data-level="6"]{--intensity-bg:#c6e2aa;--intensity-fg:#122916;}
[data-scale="daily"][data-level="7"]{--intensity-bg:#bcdc9d;--intensity-fg:#122916;}
[data-scale="daily"][data-level="8"]{--intensity-bg:#b0d48f;--intensity-fg:#122916;}
[data-scale="daily"][data-level="9"]{--intensity-bg:#a1cb82;--intensity-fg:#122916;}
[data-scale="daily"][data-level="10"]{--intensity-bg:#93c176;--intensity-fg:#122916;}
[data-scale="daily"][data-level="11"]{--intensity-bg:#85b56c;--intensity-fg:#122916;}
[data-scale="daily"][data-level="12"]{--intensity-bg:#79aa64;--intensity-fg:#122916;}
[data-scale="daily"][data-level="13"]{--intensity-bg:#6f9f5e;--intensity-fg:#122916;}
[data-scale="daily"][data-level="14"]{--intensity-bg:#639157;--intensity-fg:#000000;}
[data-scale="daily"][data-level="15"]{--intensity-bg:#537e4a;--intensity-fg:#ffffff;}
[data-scale="daily"][data-level="16"]{--intensity-bg:#446c3f;--intensity-fg:#ffffff;}
[data-scale="daily"][data-level="17"]{--intensity-bg:#39613a;--intensity-fg:#ffffff;}
[data-scale="daily"][data-level="18"]{--intensity-bg:#2f5635;--intensity-fg:#ffffff;}
[data-scale="daily"][data-level="19"]{--intensity-bg:#254b30;--intensity-fg:#ffffff;}
[data-scale="daily"][data-level="20"]{--intensity-bg:#1c402b;--intensity-fg:#ffffff;}

.today-score.stat-card{min-width:230px;max-width:360px;flex-shrink:0;padding:20px 25px;border:1px solid #244d3940;border-radius:18px;box-shadow:0 3px 10px #18352206;display:flex;flex-direction:column;gap:9px;background:var(--intensity-bg);color:var(--intensity-fg)}
.today-score.stat-card .stat-label{font-size:.87rem;font-weight:650;color:inherit}.today-score.stat-card strong{font-size:2.3rem;line-height:1.3;overflow-wrap:anywhere}.today-score.stat-card strong span{font:inherit;color:inherit}.today-score.stat-card strong small{font-size:1rem;margin-left:6px}.today-score.stat-card>small{font-size:.78rem;color:inherit}
.legend-ramp{display:flex;gap:2px;align-items:center}.legend .legend-ramp i{display:block;width:12px;height:14px;border-radius:2px}
@media(max-width:767px){.record-page>.page-heading{flex-wrap:wrap}.today-score.stat-card{width:100%;max-width:none;min-width:0;display:grid;grid-template-columns:1fr auto;align-items:center;gap:5px 15px;padding:15px 18px;border-radius:14px}.today-score.stat-card strong{grid-column:2;grid-row:1/3;font-size:2rem}.today-score.stat-card>small{grid-column:1;grid-row:2}.legend-ramp{flex:1;max-width:320px;min-width:0}.legend .legend-ramp i{width:auto;flex:1;height:12px}}