:root{--navy:#10243a;--navy-2:#18334a;--ink:#203548;--muted:#6d7b86;--paper:#fff;--wash:#f4f7f6;--line:#e3e9e7;--teal:#5c9f93;--gold:#c2a56e;--serif:Georgia,'Times New Roman',serif;--sans:'DM Sans','Noto Sans JP',sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--paper);font-family:var(--sans);-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}.topbar{height:78px;padding:0 max(6.2vw,24px);display:flex;align-items:center;justify-content:space-between;background:var(--navy);color:white}.brand{display:flex;align-items:center;gap:18px}.brand img{display:block;width:112px;height:auto;max-height:36px;object-fit:contain}.brand span,.eyebrow,.hero-note,.service-card>span,footer span{font-family:'DM Mono',monospace;font-size:10px;letter-spacing:.14em}.brand span{padding-left:17px;border-left:1px solid #496071;color:#c0cbd0}.top-link{font-size:12px;color:#dbe3e5}.top-link span{margin-left:8px;color:#b5c78d}.hero{min-height:510px;background:var(--navy);color:#fff;overflow:hidden;position:relative}.hero-inner{max-width:1140px;margin:auto;padding:68px 28px 55px;position:relative;z-index:1}.eyebrow{margin:0 0 21px;color:#a8c3bb}.eyebrow.ink{color:#6f978b}.hero h1{font-size:clamp(40px,6.2vw,76px);letter-spacing:.015em;line-height:1.34;font-weight:500;margin:0;max-width:820px}.hero-copy{font-size:15px;line-height:2;color:#d1d9dc;margin:18px 0 27px}.button{display:inline-flex;align-items:center;gap:28px;padding:14px 18px;font-size:12px;font-weight:600;transition:background .2s,color .2s}.button-light{background:#fff;color:var(--navy)}.button-light:hover{background:#dce8e2}.hero-note{margin-top:54px;color:#aab9bc;font-size:9px}.live-dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:#a4c28e;margin-right:9px;vertical-align:1px}.hero-mark{position:absolute;right:0;top:40px;font-family:var(--serif);font-size:clamp(240px,34vw,420px);font-weight:400;line-height:1;color:rgba(255,255,255,.035);pointer-events:none;letter-spacing:-.09em}.section{max-width:1140px;padding-left:28px;padding-right:28px;margin:0 auto}.trend-section{padding-top:92px;padding-bottom:84px}.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:25px;margin-bottom:31px}.section-head h2,.method-inner h2{font-size:clamp(25px,3vw,36px);font-weight:500;letter-spacing:.02em;margin:0}.section-head .eyebrow{margin-bottom:11px}.segmented{display:flex;padding:4px;background:var(--wash);border-radius:3px}.segmented button{border:0;background:transparent;color:#718078;font:500 12px var(--sans);padding:9px 16px;cursor:pointer;border-radius:2px}.segmented button.active{background:#fff;color:var(--navy);box-shadow:0 1px 5px #172c301c}.chart-card{padding:24px 26px 19px;border:1px solid var(--line);border-radius:4px;background:#fff}.chart-legend{display:flex;justify-content:flex-end;gap:23px;font-size:11px;color:#61707a}.chart-legend span{display:flex;align-items:center;gap:8px}.swatch{height:8px;width:8px;border-radius:50%;display:inline-block}.swatch.branded{background:var(--gold)}.swatch.nonbranded{background:var(--teal)}.chart{height:248px;position:relative;margin-top:19px;overflow:hidden}.chart svg{width:100%;height:100%;overflow:visible}.chart-empty{font-size:13px;color:var(--muted);text-align:center;padding:60px}.chart-caption{font-size:11px;line-height:1.8;color:var(--muted);margin:12px 0 18px}.data-meta{padding-top:15px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:8px 24px;font-size:10px;color:#738089}.data-meta span::before{content:'·';color:var(--teal);font-weight:bold;margin-right:6px}.improvement-section{padding-top:64px;padding-bottom:89px;border-top:1px solid var(--line)}.section-intro{max-width:370px;font-size:12px;line-height:1.9;color:var(--muted);margin:0 0 3px}.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line)}.step-card{padding:29px 28px 28px;min-height:274px;position:relative}.step-card+.step-card{border-left:1px solid var(--line)}.step-card .eyebrow{font-size:9px;margin:0 0 14px}.step-card h3{font-size:17px;font-weight:600;margin:0 0 15px;line-height:1.55}.step-card>p:not(.eyebrow){font-size:12px;line-height:1.9;color:#64727b;margin:0 0 12px}.step-number{position:absolute;right:25px;top:22px;font:italic 25px var(--serif);color:#b1beb9}.featured{background:var(--navy);color:#fff}.featured .eyebrow{color:#b3c893}.featured .step-number{color:#8a9c9d}.featured h3{color:#fff}.featured>p:not(.eyebrow){color:#d3dcde}.featured .caution{font-size:11px!important;color:#c7d7ce!important}.text-link{display:inline-flex;gap:9px;align-items:center;color:#327a70;font-size:11px;font-weight:600}.featured .text-link{color:#d0dfad}.review-tag{display:inline-block;margin-top:9px;padding:6px 9px;background:#f2f5f3;color:#60766e;font-size:9px;letter-spacing:.04em}.featured .review-tag{background:#294052;color:#ccd8cf}.next-action{display:flex;align-items:center;gap:23px;padding:23px 25px;margin-top:19px;background:var(--wash)}.next-icon{width:36px;height:36px;display:grid;place-items:center;border:1px solid #c9d8d2;border-radius:50%;color:#578b7e}.next-action .eyebrow{margin:0 0 5px;font-size:9px}.next-action strong{font-size:14px}.next-action p:last-child{font-size:11px;color:var(--muted);margin:5px 0 0}.method-band{background:var(--navy);color:white}.method-inner{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px;padding-top:61px;padding-bottom:61px}.method-inner .eyebrow{margin-bottom:12px}.method-inner h2{font-size:27px}.method-inner>div+div p{font-size:12px;line-height:2;color:#d5dfe0;margin:0}.method-inner code{font-size:11px;color:#e4d3a9}.method-inner>div+div .method-note{margin-top:12px;font-size:10px;color:#aebdc1}.services{padding-top:87px;padding-bottom:64px}.services .section-head{margin-bottom:27px}.services .section-head .text-link{margin-bottom:7px}.service-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:10px}.service-card{grid-column:span 2;min-height:153px;border:1px solid var(--line);padding:20px 20px 18px;display:flex;flex-direction:column;align-items:flex-start;position:relative;transition:border-color .2s,transform .2s}.service-card:hover{border-color:#8aafa3;transform:translateY(-2px)}.service-card>span{font-size:9px;color:#7b9c90;margin-bottom:17px}.service-card strong{font-size:13px;line-height:1.45;max-width:90%}.service-card small{font-size:10px;line-height:1.7;color:var(--muted);margin-top:8px}.service-card b{position:absolute;right:17px;top:17px;font-size:14px;font-weight:400;color:#659286}.report-card{grid-column:span 3}.contact-row{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line);margin-top:51px;padding-top:26px}.contact-row .eyebrow{margin:0 0 8px;font-size:9px}.contact-row h3{font-size:16px;font-weight:500;margin:0}.button-dark{background:var(--navy);color:#fff}footer{display:flex;align-items:center;gap:20px;background:#f3f6f5;padding:21px max(6.2vw,24px);font-size:10px;color:#78848a}footer>a{font-weight:700;font-size:12px;color:var(--navy)}footer span:last-child{margin-left:auto;font-size:9px}
@media(max-width:760px){.topbar{height:65px;padding:0 20px}.brand{gap:11px}.brand img{width:87px}.brand span{font-size:8px;padding-left:11px}.top-link{font-size:10px}.hero{min-height:480px}.hero-inner{padding:72px 24px 40px}.hero h1{font-size:clamp(38px,10vw,57px)}.hero-copy{font-size:13px;max-width:490px}.desktop{display:none}.hero-note{font-size:8px;margin-top:47px}.hero-mark{right:-14px;top:140px;font-size:270px}.section{padding-left:22px;padding-right:22px}.trend-section{padding-top:62px;padding-bottom:59px}.section-head{align-items:flex-start;flex-direction:column;gap:17px}.section-head h2{font-size:27px}.section-intro{margin:0}.segmented{align-self:flex-end;margin-top:-50px}.chart-card{padding:18px 13px 14px}.chart-legend{justify-content:flex-start;gap:14px;font-size:9px}.chart{height:210px;margin-top:18px}.data-meta{gap:7px 15px}.improvement-section{padding-top:54px;padding-bottom:59px}.steps-grid{grid-template-columns:1fr}.step-card{min-height:unset;padding:25px 23px 24px}.step-card+.step-card{border-left:0;border-top:1px solid var(--line)}.step-number{right:20px;top:19px}.method-inner{grid-template-columns:1fr;gap:19px;padding-top:49px;padding-bottom:49px}.method-inner h2{font-size:24px}.services{padding-top:62px;padding-bottom:48px}.services .section-head{gap:14px}.services .section-head .text-link{margin:0}.service-grid{grid-template-columns:1fr 1fr;gap:8px}.service-card{grid-column:span 1;min-height:156px;padding:17px 14px}.service-card strong{font-size:12px}.service-card small{font-size:9px}.report-card{grid-column:span 2;min-height:132px}.contact-row{margin-top:38px;padding-top:21px;align-items:flex-start;gap:18px;flex-direction:column}.contact-row h3{font-size:14px}.button{font-size:11px}footer{padding:18px 22px;gap:11px}footer span{font-size:8px!important}}
@media(max-width:390px){.brand img{width:72px}.brand span{letter-spacing:.08em}.top-link{font-size:9px}.chart-legend{gap:9px}.chart-legend span{gap:5px}.service-card{min-height:172px}.report-card{min-height:135px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important}}
.latest-section{padding-top:64px;padding-bottom:57px}.latest-date{font:11px 'DM Mono',monospace;color:#738089}.summary-grid{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line)}.summary-card{padding:21px 22px;min-height:119px;display:flex;flex-direction:column;gap:8px}.summary-card+.summary-card{border-left:1px solid var(--line)}.summary-label,.detail-label{font-size:10px;color:#74827f;letter-spacing:.04em}.summary-value{font-size:27px;font-weight:500;color:var(--navy);line-height:1.2}.summary-note{font-size:10px;color:var(--muted)}.answers-section{padding-top:47px;padding-bottom:79px;border-top:1px solid var(--line)}.answers-section .section-head{margin-bottom:22px}.answer-key{display:flex;align-items:center;flex-wrap:wrap;gap:10px 21px;color:#748089;font-size:10px;margin-bottom:18px}.answer-key>span{display:flex;align-items:center;gap:7px}.question-group{margin-top:18px}.question-group-heading{display:flex;align-items:baseline;gap:12px;padding:0 2px 9px;border-bottom:1px solid var(--line)}.question-group-heading h3{font-size:15px;font-weight:600;margin:0}.question-group-heading span{font:9px 'DM Mono',monospace;color:#7d8a88;letter-spacing:.08em}.question-group.branded .question-id{color:#9c7e42}.question-group.non_branded .question-id{color:#43877a}.question-card{border:1px solid var(--line);border-top:0;background:#fff}.question-card>summary{list-style:none;cursor:pointer}.question-card>summary::-webkit-details-marker,.answer-accordion>summary::-webkit-details-marker{display:none}.question-summary{display:grid;grid-template-columns:43px 1fr auto;align-items:center;gap:12px;padding:16px 18px}.question-id{font:500 11px 'DM Mono',monospace;letter-spacing:.08em}.question-text{font-size:13px;line-height:1.7;font-weight:500;color:#243a4b}.question-count{font-size:9px;color:#77847f;white-space:nowrap}.question-summary::after{content:'＋';grid-column:3;grid-row:1;color:#6c9186;font-size:14px;text-align:right}.question-count{grid-column:2}.question-card[open]>.question-summary::after{content:'−'}.question-body{padding:0 18px 17px 73px}.question-hint{font-size:10px;color:#86918e;margin:0 0 10px}.answer-accordion{border:1px solid #e7ecea;margin-top:8px;background:#fbfcfb}.answer-accordion>summary{list-style:none;cursor:pointer;display:grid;grid-template-columns:60px 1fr auto;align-items:center;gap:10px;padding:12px 14px}.answer-accordion>summary::after{content:'＋';color:#688f83;font-size:13px}.answer-accordion[open]>summary::after{content:'−'}.answer-run{font-size:11px;font-weight:600;color:var(--navy)}.answer-when{font-size:10px;color:#77847f}.answer-state{font-size:9px;padding:4px 7px;border-radius:2px;background:#edf3f0;color:#54756b;white-space:nowrap}.state-error{background:#f8f1e8;color:#946937}.answer-body{padding:0 15px 16px;border-top:1px solid #e7ecea}.answer-facts{display:grid;grid-template-columns:112px 1fr;gap:8px 12px;padding:14px 0;margin:0;border-bottom:1px solid #e7ecea}.answer-facts dt{font-size:10px;color:#788681}.answer-facts dd{margin:0;font-size:10px;color:#304556;overflow-wrap:anywhere}.mention-excerpt{padding:13px 0 3px}.mention-excerpt blockquote{margin:8px 0 0;padding:10px 13px;background:#f0f5f2;border-left:2px solid var(--teal);font-size:11px;line-height:1.85;white-space:pre-wrap;overflow-wrap:anywhere;color:#334d58}.answer-citations{padding:12px 0 2px}.citation-list{list-style:none;padding:0;margin:7px 0 0;display:grid;gap:5px}.citation-list li{font-size:10px;line-height:1.6;overflow-wrap:anywhere}.citation-list a{color:#437f75;text-decoration:underline;text-underline-offset:2px}.no-citations{display:block;margin-top:6px;font-size:10px;color:#8c9692}.detail-label{display:block;font-weight:600}.raw-answer{margin:9px 0 0;padding:13px 14px;background:#fff;border:1px solid #e9eeec;border-radius:2px;font:11px/1.9 var(--sans);color:#344650;white-space:pre-wrap;overflow-wrap:anywhere;max-height:none}.review-pending{margin:12px 0 0;padding:12px;background:#f8f4e8;color:#7e6636;font-size:11px;line-height:1.7}.answer-disclosure{margin:16px 0 0;font-size:10px;color:#7b8783;line-height:1.8}
@media(max-width:760px){.latest-section{padding-top:46px;padding-bottom:43px}.latest-date{align-self:flex-end;margin-top:-11px}.summary-grid{grid-template-columns:1fr 1fr}.summary-card{min-height:100px;padding:16px 15px}.summary-card:nth-child(3){border-left:0;border-top:1px solid var(--line)}.summary-card:nth-child(4){border-top:1px solid var(--line)}.summary-value{font-size:23px}.answers-section{padding-top:37px;padding-bottom:55px}.answers-section .section-head{gap:12px}.answer-key{gap:9px 14px;font-size:9px}.question-group-heading{padding-bottom:8px}.question-group-heading h3{font-size:14px}.question-summary{grid-template-columns:35px 1fr auto;gap:8px;padding:13px 12px}.question-text{font-size:12px}.question-count{font-size:9px}.question-body{padding:0 11px 13px}.answer-accordion>summary{grid-template-columns:45px 1fr;gap:5px 8px;padding:11px 10px}.answer-accordion>summary::after{grid-column:2;grid-row:1;justify-self:end}.answer-run{grid-column:1;grid-row:1}.answer-when{grid-column:1 / 3;grid-row:2;font-size:9px}.answer-state{grid-column:2;grid-row:1;justify-self:start;margin-left:3px}.answer-body{padding:0 10px 12px}.answer-facts{grid-template-columns:88px 1fr;gap:7px 8px}.answer-facts dt,.answer-facts dd{font-size:9px}.raw-answer{font-size:10px;line-height:1.85;padding:10px}.mention-excerpt blockquote{font-size:10px;padding:9px}.citation-list li{font-size:9px}}

/* 2026-11-13 Accessibility / Readability Improvement */

body {
  font-size: 17px;
  line-height: 1.8;
  color: #172b42;
}

p, li {
  font-size: 16px;
  line-height: 1.8;
}

small, .meta, .caption, .note {
  font-size: 14px;
  line-height: 1.7;
  color: #475569;
}

h1 {
  line-height: 1.3;
}

h2 {
  font-size: clamp(28px, 3vw, 36px);
  line-height: 1.4;
}

h3 {
  font-size: 20px;
  line-height: 1.5;
}

button, summary {
  font-size: 16px;
}

a {
  text-underline-offset: 3px;
}

@media (max-width: 768px) {
  body {
    font-size: 16px;
  }

  h2 {
    font-size: 28px;
  }

  p, li, button, summary {
    font-size: 16px;
  }
}

/* 56project logo size adjustment */
header img,
.site-header img,
.logo img,
.brand img {
  max-width: none;
  width: 150px;
  height: auto;
}

@media (max-width: 768px) {
  header img,
  .site-header img,
  .logo img,
  .brand img {
    width: 125px;
  }
}

/* 観測方法の見出しを1行表示 */
@media (min-width: 769px) {
  #method h2,
  .method h2,
  .method-section h2 {
    white-space: nowrap;
    font-size: clamp(24px, 2.5vw, 32px);
    letter-spacing: -0.02em;
  }
}